I Awoke in a World of Women

Evelyn dies on Earth and awakens as Seraphine Karsfeld, a sickly noble heiress with a terrible reputation. This new world is populated entirely by women, with futanari filling the roles men once held. Its rivers, mountains, and seas resemble those of Earth, yet its nations and history are completely unknown to her. Armed with memories from another life, Seraphine begins the slow process of rebuilding her body, her reputation, and eventually her future. — Description from novelcodex.org